Velleman K8010 Manuel utilisateur

Total solder points: 600

Difficulty level:

beginner 1o2o3o4o5þadvanced

MANUAL H8010P-ED1

MONO PURE CLASS A VALVE

POWER AMPLIFIER K8010

⇒Pure CLASS A valve sound with high quality KT88 valves

⇒High quality chrome plated enclosure

⇒Chrome plated valve socket covers

⇒Easy bias adjustment with LED indication

⇒Removable bottom for easy access and service

⇒High quality capacitors and components

⇒Gold plated input and speaker terminals

⇒Standby function

⇒Soft start circuit for power transformer

⇒Sensitivity adjustment for exact matching of two mono amps

Specifications

•Full class A 65Wrms in 4 or 8Ω

•Bandwidth: 4Hz to 90KHz (-3dB/1W)

•Harmonic distortion: 0.1% @ 1W/1KHz

•Signal to noise ratio: >110dB (A weighted)

•Input sensitivity: 1Vrms (adjustable)

•Power supply: 100, 120, 230 or 245VAC

•Power consumption: 230VA max.

•Dimensions: 355W x 360D x 157H

•Weight: 14Kg / 31lb

modifications reserved

4K7= ( 4 - 7 - 2 - B )

4K7= ( 4 - 7 - 0 - 1 - 1 )

COLOR= 2… 5

IPESF SDK NDGB FNL

CODICE

COLORE

CODIGO

CORES

CODIGO

DE COL-

ORES

VÄRI

KOODI FÄRG

SCHEMA

FARVE

KODE FARGE

KODE FARB

KODE

COLOUR

CODE CODIFI-

CATION

DES

COU-

LEURS

KLEUR

KODE

Nero Preto Negro Musta Svart Sort Sort Schwarz Black Noir Zwart 0

Marrone Castanho Marrón Ruskea Brun Brun Brun Braun Brown Brun Bruin 1

Rosso Encarnado Rojo Punainen Röd Rød Rød Rot Red Rouge Rood 2

Aranciato

Laranja Naranjado

Oranssi Orange Orange Orange Orange Orange

Orange

Oranje

Giallo Amarelo Amarillo Keltainen Gul Gul Gul Gelb Yellow Jaune Geel 4

Verde Verde Verde Vihreä Grön Grøn Grønn Grün Green Vert Groen 5

Blu Azul Azul Sininen Blå Blå Blå Blau Blue Blue Blauw 6

Viola Violeta Morado Purppura Lila Violet Violet Violet Purple Violet Paars 7

Grigio Cinzento Gris Harmaa Grå Grå Grå Grau Grey Gris Grijs 8

Bianco Branco Blanco Valkoinen Vit HvidHvidt Weiss White Blanc Wit 9

Argento Prateado Plata Hopea Silver Sølv Sølv Silber Silver Argent Zilver A

Oro Dourado Oro Kulta Guld Guld Guldl Gold Gold Or Goud B

__________________________________________________________________________________________________________________________________________________________

TECHNICAL DATA*

•Output power: 65 Wrms class A / 85Wrms maximum

•Output impedance 4 or 8 Ohm

•Ultra linear output transformer

•Switch-on delay, to protect the output tubes: approx. 1 minute

•Standby circuit

•Built-in bias current indicator

•Switch-on delay for the supply transformer : 0.5s

•Power bandwidth: 8Hz -45kHz (-3dB, ref. 50W)

•Frequency range: 4Hz -90kHz (-3dB, ref. 1W)

•Harmonic distortion:

0.1% (1 kHz/1W)

0.7% (1 kHz/65W)

•Signal/noise ratio: > 110dB (A weighted wrt 85W)

•Input impedance: 100Kohm

•Input sensitivity min 1Vrms, adjustable.

•Damping factor (100Hz): > 12

•Power supply: 100, 120, 230, 245VAC

•Power consumption: 230Wmax. / 66W standby

•Dimensions: 355W x 360D x 157H

*Modifications and typographical errors reserved

_______________________________________________________________________________________________________________________________________________________

1. Assembly (Skipping this can lead to troubles ! )

Ok, so we have your attention. These hints will help you to make this project successful.

Read them carefully.

1.1 Make sure you have the right tools:

•A good quality soldering iron (25-40W) with a small tip.

•Wipe it often on a wet sponge or cloth, to keep it clean;

then apply solder to the tip, to give it a wet look. This is

called ‘thinning’ and will protect the tip, and enables you

to make good connections. When solder rolls off the tip, it needs cleaning.

•Thin raisin-core solder. Do not use any flux or grease.

•A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads,

hold the lead so they cannot fly towards the eyes.

•Needle nose pliers, for bending leads, or to hold components in place.

•Small blade and phillips screwdrivers. A basic range is fine.

For this projects, a basic multi-meter is required

1.2 Assembly Hints :

þMake sure the skill level matches your experience, to avoid disappointments.

þFollow the instructions carefully. Read and understand the entire step before you perform each op-

eration.

þPerform the assembly in the correct order as stated in this manual

þPosition all parts on the PCB (Printed Circuit Board) as shown on the drawings.

þValues on the circuit diagram are subject to changes.

þValues in this assembly guide are correct*

þUse the check-boxes to mark your progress.

þPlease read the included information on safety and customer service

* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated

as ‘NOTE’ on a separate leaflet.

1.3 Soldering Hints :

Mount the component against

the PCB surface and carefully

solder the leads

Make sure the solder joints are

cone-shaped and shiny Trim excess leads as close as

possible to the solder joint

0.000

__________________________________________________________________________________________________________________________________________________________

ASSEMBLY OF THE MAIN PCB P8010:

Foreword:

For best results and easy handling of the large PCB (Printed Circuit Board), we will start by putting the

four large valve sockets in place. This will allow us to rest the board on the bench, without having the

component leads touching the bench surface.

When the component leads are put in the appropriate holes on the PCB, we recommend to gently bend

the leads outwards, so they stay on the board when it is flipped over to apply solder. You gain a reason-

able amount of time if you put approx. 10 components in place every time, before you flip the board,

and make the solder joints.

_______________________________________________________________________________________________________________________________________________________

15mm M3 SPACER

12mm SPACER

PCB

VALVE SOCKET

20mm M3 BOLT

1. VALVE SOCKET MOUNTING

Check the position of the notch in the centre of the valve socket, it must correspond to the position of the

notch in the circle printed on the PCB. Connect the leads to the corresponding isles on the PCB using a

small piece of supplied jumper wire.

IMPORTANT:

Make the connection exactly as shown in the illustration, otherwise the small piece of wire could touch

the bottom of the cabinet, see further.

qV1

qV2

qV3

qV4

Also mount a 15 mm spacer on the following holes in

the PCB (at the solder side); use a 6 mm M3 bolt:

qA spacer next to TRAFO1

qA spacer next to SK15

qA spacer next to SK6

qA spacer next to R62

qA spacer next to V6

6mm M3 BOLT

15mm M3 SPACER

V...

Connect the valve socket terminals 1, 3, 4, 5, and 8 to the corresponding

points at the solder side of the PCB.

Use a piece of supplied jumperwire. Mount the wire in such way that it can-

not touch the bottom of the cabinet. (see above illustration).

__________________________________________________________________________________________________________________________________________________________

2. JUMPERS

qJ1 (mount 2 wires in the same hole)

qJ2 (mount 2 wires in the same hole)

qJ3 (mount 2 wires in the same hole)

qJ4 (mount 2 wires in the same hole)

qJ5

qJ6

qJ7

qJ8

qJ9

qJ10

qJ11

qJ12

qJ13

qJ14

qJ15

qJ16

qJ17

qJ18

qJ19

qJ20

qJ21

qJ22 indicated with ‘F1’

(mount 2 wires in the same hole)

3. JUMPERS FOR AC POWER SE-

LECTION

For 100V input (mains), mount:

qJA at the voltage selection 1

qJA at the voltage selection 2

For 115V -120V input, mount:

qJB at the voltage selection 1

qJB at the voltage selection 2

Note that for J1 to J4, two jumper wires have

to be mounted in the same hole, for extra cur-

rent handling.

TIP

In order to get nice straight wiring, without too

much folding and measuring, follow these

hints:

•Put the jumper wire in place.

•Solder one end of the lead.

•Then carefully pull on the free end of the

lead until it is straight, and apply solder.

_______________________________________________________________________________________________________________________________________________________

For 220V -230V input, mount:

qJC at the voltage selection 1

qJC at the voltage selection 2

For 240V -245V mains input, mount:

qJD at the voltage selection 1

qJD at the voltage selection 2

REMARK:

Strike out the NOT used mains voltage indica-

tion at the back of the enclosure !! Use a per-

manent black marker

4. DIODES (Check the polarity!)

D...

CATHODE

qD1: 1N4148

qD2 :1N4148

qD3: 1N4007

qD4: 1N4148

qD5: 1N4007

qD6: 1N4148

qD7: 1N4148

qD8: 1N4148

qD9: 1N4007

qD10: 1N4007

qD11: 1N4007

qD12: 1N4007

qD13: 1N4007

qD14: 1N4007

qD15: 1N4007

qD16: 1N4007

qD17: 1N4007

qD18: 1N4007

qD19: 1N4007

qD20: 1N4007

qD21: 1N4007

qD22: 1N4007

qD23: 1N4007

qD24: 1N4148

qD25: 1N4148

qD26: 1N4148

qD27: 1N5408 not on tape !

qD28: 1N5408 not on tape !

qD29: 1N5408 not on tape !

qD30: 1N5408 not on tape !

__________________________________________________________________________________________________________________________________________________________

5. ZENER DIODES

(Check the polarity!)

ZD...

CATHODE

qZD1: 3V9

qZD2: 3V9

6. ¼W & ½W RESISTORS

R...

qR1: 470 (4 -7 -1 -B)

qR2: 220K (2 -2 -4 -B)

qR3: 2K2 (2 -2 -2 -B)

qR4: 2K2 (2 -2 -2 -B)

qR5: 220K (2 -2 -4 -B)

qR6: 100K (1 -0 -4 -B)

qR7: 1K (1 -0 -2 -B)

qR8: 1K (1 -0 -2 -B)

qR9: 22K (2 -2 -3 -B)

qR10: 3.3 (3 -3 -B -B -9)

qR11: 3K9 (3 -9 -2 -B)

qR12: 1K5 (1 -5 -2 -B)

qR13: 1M (1 -0 -5 -B)

qR14: 1M (1 -0 -5 -B)

qR15: 1K (1 -0 -2 -B)

qR16: 47K (4 -7 -3 -B)

qR17: 470K (4 -7 -4 -B)

qR18: 680 (6 -8 -1 -B)

qR19: 3K9 (3 -9 -2 -B)

qR20: 10K (1 -0 -3 -B)

qR21: 10K (1 -0 -3 -B)

qR22: 1K5 (1 -5 -2 -B)

qR23: 1K2 (1 -2 -2 -B)

qR24: 560 (5 -6 -1 -B)

qR25: 100K (1 -0 -4 -B)

qR26: 220K (2 -2 -4 -B)

qR27: 100K (1 -0 -4 -B)

qR28: 220K (2 -2 -4 -B)

qR29: 10K (1 -0 -3 -B)

qR30: 2K7 (2 -7 -2 -B)

qR31: 1M5 (1 -5 -5 -B)

qR32: 1K5 (1 -5 -2 -B)

qR33: 3.3 (3 -3 -B -B)

qR34: 8K2 (8 -2 -2 -B)

qR35: 220K (2 -2 -4 -B)

qR36: 10K (1 -0 -3 -B)

qR37: 100K (1 -0 -4 -B)

qR38: 220K (2 -2 -4 -B)

qR39: 100K (1 -0 -4 -B)

qR40: 220 (2 -2 -1 -B -9)

qR41: 100K (1 -0 -4 -B -9)

qR42: 47K (4 -7 -3 -B -9)

qR43: 220 (2 -2 -1 -B -9)

qR44: 220 (2 -2 -1 -B -9)

qR45: 220 (2 -2 -1 -B -9)

qR46: 2K2 (2 -2 -2 -B -9)

qR47: 27K (2 -7 -3 -B -9)

qR48: 220 (2 -2 -1 -B -9)

qR49: 220 (2 -2 -1 -B -9)

qR50: 100K (1 -0 -4 -B -9)

qR51: 330K (3 -3 -4 -B -9)

qR52: 330K (3 -3 -4 -B -9)

qR53: 330K (3 -3 -4 -B -9)

qR54: 330K (3 -3 -4 -B -9)

_______________________________________________________________________________________________________________________________________________________

7. 1W RESISTORS

R...

2mm

qR55: 270 (2 -7 -1 -B)

qR56: 10K (1 -0 -3 -B)

qR57: 10K (1 -0 -3 -B)

qR58: 12K (1 -2 -3 -B)

qR59: 39K (3 -9 -3 -B)

qR60: 39K (3 -9 -3 -B)

qR61: 39K (3 -9 -3 -B)

qR62: 100K (1 -0 -4 -B)

qR63: 47K (4 -7 -3 -B)

qR64: 47K (4 -7 -3 -B)

qR65: 47 (4 -7 -0 -B)

qR66: 47 (4 -7 -0 -B)

qR67: 180 (1 -8 -1 -B)

qR68: 180 (1 -8 -1 -B)

qR69: 180 (1 -8 -1 -B)

qR70: 47 (4 -7 -0 -B)

qR71: 47 (4 -7 -0 -B)

qR72: 180 (1 -8 -1 -B)

8. LEDs (Check the polarity!)

LD...

COLOR = 2...5

CATHODE

qLD1: 5mm RED (2) BLINKING

qLD2: WILL BE MOUNTED

LATER, SEE SECTION 27

qLD3: 3mm YEL (4)

qLD4: 3mm YEL (4)

qLD5: 3mm YEL (4)

qLD6: 3mm YEL (4)

qLD7: 3mm GREEN (5)

qLD8: 3mm GREEN (5)

qLD9: 3mm RED (2)

qLD10: 3mm RED (2)

qLD11: 3mm RED (2)

qLD12: 3mm RED (2)

qLD13: 3mm RED (2) (next to R61)

9. IC SOCKETS

(Check the position of the notch!)

IC...

qIC1: 18P

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