WZ-86 PV-12PH Poetry Drunk Lines 12AU7 Bile Preamp Preamplifier




Note: Tubes not included


Finished size approx: 173mm long, 110mm wide, 65mm high.

Installation opening distance 161.036mm * 97.536mm, two bile duct hole distance 100mm.

In order to facilitate your installation and debugging, with the board is equipped with circuit diagrams and component list.

The wiring of Conrad-Johnson PV-12 and Audio Note M7 bile preamp is basically the same, and we default to PV-12 values.

Purchase PCB friends can choose to install Conrad-Johnson PV-10 or Conrad-Johnson PV-12 or Audio Note M7 or Germany Tianji KLIMO preamp, these circuits are similar, as long as a little understanding of the circuit, adjust the corresponding capacitance values and voltages, you can get a variety of different listening effects, in general, said Conrad-Johnson biased musicality, D Johnson favor musicality, D.KLIMO MERLIN LS favor audio, according to hobby choice.


This board power supply screen pole high voltage +325V, filament low voltage 12.6V

Recommended power boards:

https://www.ebay.com/itm/116198318565

Purchase board need to know:

① for the use of your hands have bile ducts, finished products and does not come with two tubes, you can choose 12AU7 or ECC82 or 6189, AU7 family of tubes can be used, pay attention to the filament voltage can be.

② coupling capacitors on the capacity requirements are not strict, you can also use the hands of the replacement test tuning, 1-5uF can be.

③ finished board we use genuine ALPS27 type potentiometer, rather than the fake so-called resistance step type.


World-famous poetry drunk Conrad Johnson in the United States in the field of audio with the supreme position, its founder William Conrad and Lewis Johnson adhere to the sound effects of the rigor of the comparison of the spirit of perseverance, and the creation of the flagship preamplifier.

Conrad-Johnson PV-12 sound thick and pure, good sense of speed, good condition, a cost-effective preamplifier.


PV-12: gain of about 18dB, maximum output of about 20V, distortion of about 0.25%, output impedance of less than 500Ω.


Package：

1pc WZ-86 PV-12PH Poetry Drunk Lines 12AU7 Bile Preamp Preamplifier

 
Payment Method: PayPal preferred

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Returns & Replacements & Repair:
We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 Months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.

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