Up for sale is a First Watt Aleph J Stereo Power Amp.Condition:
7/10: The amp is in near perfect condition. The only things I could find was a tiny scratch on the front (I could only find it looking at the front under an angle) and a tiny nick in the top edge. Functionality:
The amp was tested and sounds like a dream. Dead quiet in my test setup. Model:
Aleph J (not a clone, but an original First Watt built amp) Serial Number:
24 Voltage:
120V Age:
not sure Repair History:
None Included are:
Aleph J amp
Original Manual
Power Cord No. of Owners:
1 Tobacco/Pet Free:
Yes Specifications:
Inputs: 1x L/R RCA, 1x L/R XLR
Measured at 120 V AC with an 8 ohm load:
Input Impedance: 242 Kohms (RCA input)
Damping Factor: 20
Output power: 25 watts @ 1% THD 1KHz, 30 watts @ clipping
Gain: 19.6 dB
Input for 25 watts output: 1.5 volts
Maximum output voltage: +/- 21 volts
Maximum output current: +/- 2.5 amps
Frequency response: -3 dB @ 6 Hz, 80 KHz
Noise: 100 uV unweighted, 20-20 KHz
Power consumption: 200 watts
Dimensions: 17”x14”x5 1/2” Description:
The Aleph J carries on in the tradition of the Pass Labs Aleph series, combining those elements that were particularly right about the Aleph 3 and 30, and re-thinking those areas open to improvement. Unlike its First Watt predecessors the F1 and F2, the Aleph J is a voltage source amplifier – a regular sort of amplifier like the ones you already know and love.
There are differences between the Aleph J and its predecessors:
1) Improved power supply filtration with about 20 dB less voltage ripple
2) Reduced gain on the active current source, giving better overall performance into 8-16 ohm loads
3) Input stage using high quality matched JFETs
4) Much higher input impedance and vanishing capacitance
5) 15 dB less negative feedback.
6) Even greater stability, operating without lag compensation
7) 15 dB less noise
8) No electrolytic capacitor in the signal path
Some things have remained the same – the Aleph J has the same basic 2-stage topology and uses output MOSFETs operating in single-ended Class A mode. It’s distortion character is still 2nd harmonic, and it’s sound is still natural and liquid. It is still very reliable. I don’t know of a load that can damage it. Review:
6 Moons: “...the First Watt Aleph J is a stunner; extremely well balanced from top to bottom, with a sense of pace and timing second to none and a harmonically rich presentation that lights up the members of the orchestra or the boys in the band so you can sit back and get lost in whatever musical mood you wish.” MSRP $2,500, I am asking $1,399.99 Shipping:
Shipping inside the USA is calculated exact by USPS or FedEx.
International Shipping is done through USPS.
Shipping weight is 30 lbs and the box measures 22x19x9 Payment:
I accept Paypal, Credit Cards, Wells Fargo SurePay, Cashier's Checks or Money Orders.
When Cashier's Checks or Money Orders are used, the item will ship once the C.C. or M.O. clears.
Please add 3% to the total when PayPal or Credit card payment is used. Please do not send payment until I have added the exact shipping cost (Audiogon does not add insurance to the total) and until I have added the 3% PayPal/Credit Card/Express Checkout fees. International Shipping:
When I ship International I am not responsible for any loss/damage during shipping and any Customs duties/fees/charges/taxes.
| 
