PA-10 2A3 6W Monoblock Amplifier

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Joel Hugo Robbins
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1 PA-0 A3 6W Monoblock Amplifier Made in USA

2 PA-0 A3 6W Monoblock Amplifier opyrights & Trademarks opyright Hagerman Audio Labs 008. All rights reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent. isclaimer The information contained in this document is subject to change without notice. Hagerman Audio Labs shall not be liable for errors contained herein or for consequential damages in connection with the furnishing, performance, or use of this material. Warranty Hagerman Audio Labs warrants this product free of defects in materials and workmanship for a period of 0 years. If you discover a defect, Hagerman Audio Labs will, at its option, repair or replace the product at no charge to you provided you return it during the warranty period, transportation charges prepaid to Hagerman Audio Labs. This warranty does not apply if the product has been damaged by negligence, accident, abuse or misuse or misapplication, has been damaged because it has been improperly connected to other equipment or has been modified without the express written permission of Hagerman Audio Labs. This warranty is limited to the replacement or repair of this product and not to damage to equipment of other manufacturers. Any applicable implied warranties, including warranty of merchantability, are limited in duration to a period of the express warranty as provided herein beginning with the original date of purchase and no warranties, whether express or implied shall apply to the product thereafter. Under no circumstances shall Hagerman Audio Labs be liable for any loss, direct, indirect, incidental, special, or consequential damage arising out of or in connection with the use of this product. Hagerman Audio Labs PO ox 6437 Honolulu, HI (voice) (fax)

isclaimer The information contained in this document is subject to change without notice.

3 PA-0 A3 6W Monoblock Amplifier 3 escription The PA-0 is a new type of tube amplifier, offering the unique Hagerman selfbalancing output stage. This topology allows the use of unmatched A3 power tubes and requires no adjustments. In fact, it will even run on just one output tube. istortion is exceedingly low, especially given the fact that no feedback is used, thanks to the harmonic cancellation of the output stage, which operates partially in both single-ended parallel and differential push-pull modes. This balance results in ST-like musicality yet with PP control and dynamics. The PA-0 is a no-holds-barred design and pushes the state-of-the-art in vacuum tube amplification. Package ontents PA-0 Power cord Specifications Item Specification Input Impedance 00k ohm Sensitivity 0.95Vrms Output Power 6 watts (3 watts into clipping) istortion 0.5% at full Noise??? Size 0 x 0 x 4 Power 0Vac 90W Tube ompliment 5AR4 x, 65P x, A3 x

istortion is exceedingly low, especially given the fact that no feedback is used, thanks to the harmonic cancellation of the output stage, which operates partially in both single-ended parallel and

4 PA-0 A3 6W Monoblock Amplifier 4 Operation The PA-0 operates like any other power amplifier, connected between your linestage and speaker. or stereo operation, two PA-0s are required. onnect the power cord to a 0Vac source. Turn on using the pushbutton power switch on the back panel. The PA-0 requires about 30 seconds warm-up to start playing, and another 30 minutes to sound its best, which is typical of high quality tube equipment. There are output taps for either 4 ohm or 8 ohm loads.

Turn on using the pushbutton power switch on the back panel.

5 A 5 5 A S POW R T 73Z J A 3 3R3 W R 3R3 W 0n 50VA 6 V3 4 5AR Q L 5H R8 00k W u R4 R R33 W5 R5 u 3 u H4 65P R7 LO 0R33 W5 470 T 66L T3 66L Hagerman Technology LL P.O. ox 6437 Honolulu, HI 9685 This document contains proprietary information and except with written permission of Hagerman Technology LL such information shall not be published, or disclosed to others, or used for any purpose, and the document shall not be copied in whole or in part. opyright Hagerman Technology LL 008. All rights reserved. A Title PA-0: Power Supply Size ocument Number Rev n/a ate: Thursday, April 4, 008 Sheet 0 of

ox 6437 Honolulu, HI 9685 This document contains proprietary information and except with written permission of Hagerman Technology LL such information shall

6 A V R8 + 3 N4735 6V 3 u 63V 3 470u 5V R u 750 W 5 6 R6 49 Q3 MJ573A R R5 50k 4W J V +4V 53mA 8 ohm J IN R 8 4,9 R4 0mA 5 V4A 65P +3.V R3 400V R34 T4 4 R9 47k R0 47k 4 R0 R 0 k5 R HI 00k 470u u 50k J3 5V 63V +4V 53mA 0 ohm k 9 47u 0 47u 4 R3 6R5 4W 3 V A3 +80V T5 65 YL J3 /Y 4 ohm 4 3 V A3 /Y R3 0k R33 33 W 6 V R4 47 R V R8 R9 49 Q TIP50 Q TIP N4735 6V 470u 5V R30 00 W R3 00 W 470u 5V Hagerman Technology LL P.O. ox 6437 Honolulu, HI 9685 This document contains proprietary information and except with written permission of Hagerman Technology LL such information shall not be published, or disclosed to others, or used for any purpose, and the document shall not be copied in whole or in part. opyright Hagerman Technology LL 008. All rights reserved. A Title PA0: Amplifier Size ocument Number Rev n/a ate: Thursday, April 4, 008 Sheet 0 of

47 7 V R8 R9 49 Q TIP50 Q TIP50 49 5 N4735 6V 470u 5V R30 00 W R3 00 W 470u 5V Hagerman Technology LL P.O.

HagUsb USB to S/PDIF Converter

HAGERMAN T E C H N O L O G Y HagUsb USB to S/PDIF Converter HagUsb USB to S/PDIF Kit Manual 2 Warnings This product uses no lethal or dangerous voltages. However, installation into a CD player or transport