optical compressor schematic
November 13th, 2020

0000004554 00000 n �r�l��7�0�;4X������?W�1�j�g��G�������Nxzᇔ�NR�@A��J�a��J��at�����B|H&�5$��>��,pB+��ɔ���Y O�ӏ 0�L�@��A|@#�{� L�q�,al�g��0��.�n,�΂K��� �O���4�����x���a�r��a1�%jb#%ܵ�A��-���/��?�������? But … ����%����r�V�$�i-=�F&v2�9��<3ã �-*�u�s"j�"�p1�� �x�t�c��Ѕ��{�x��a"�3��-��,;D{9:�gry00�tt0�Ft00 iA%% Ť����aT�h��`�hP� �i``����qA�rAA�~����ut0����@SH(�!���;�4/K��J�A��S 87 0 obj <> endobj xref 87 16 0000000016 00000 n Optical Compressor Kit Instructions Warranty: BYOC, LLC guarantees that your kit will be complete and that all parts and components will arrive as described, functioning and free of … 4 0 obj << Pin 1 of the op amp will go in the square solder pad. trailer <<50102E0376D645B996DD31FEBA6D0CFE>]/Prev 1034927>> startxref 0 %%EOF 102 0 obj <>stream Step3: Add the Op Amp. 0000001142 00000 n In the core of the mentioned compressor lies a transducer. In the first place, a light source in a photosensitive cell controls the gain reduction in a optical compressor. /CreationDate (D:20080827095537-08'00') Hence, this approach can be used in processing of the audio signal. The idea is really a mix of two previous effects. 0000002069 00000 n /Length 26336 �W��8�6���K�A8 o7����9|W/\ {���T� ������L�ckja l�c�rr���o)?�Vl_k����K�g,m2��]�o�4��N|�V���=�"��L�$L�a��#��q�p�aɏ�(�����\M[��ʱkƟ�8�P�2��yp. 0000002362 00000 n For informational purposes, here’s a schematic from one we traced out: DOD 280 Compressor Schematic It has fast attack It uses just a handful of parts and needs no critical adjustments. I have been playing with all sorts compressor ideas and the circuit below is about the simplest thing I have come up with that works well. 0000001079 00000 n /Filter [/FlateDecode] 0000007511 00000 n This device is capable of transforming energy from one form to another. 0000001387 00000 n 3 0 obj << LA-2Aは1960年代にTeletronix社から発売された、光学式コンプレッサーです。LAはLebeling Amplifierの頭文字で、レベリングを行う増幅機関=コンプレッサーを表しています。ちなみに、元々は放送局用に作られたそうです。 現在では、後続会社のUniversal Audio社からTeletronixを銘打ったリイシューモデルが販売されています。 UNIVERSAL AUDIO / LA-2A Years ago engineers have discovered that interesting things occur after playing back and forth between light and electricity. ���p�� S'� ����,?�`eN��%���\���1TqX>� �����^� TÎ� endstream endobj 88 0 obj <> endobj 89 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 90 0 obj <> endobj 91 0 obj [/ICCBased 97 0 R] endobj 92 0 obj [/ICCBased 100 0 R] endobj 93 0 obj <> endobj 94 0 obj <>stream By learning to differentiate these circuit types, you will gain far more control over your mixes. x���y|T��?��sg_���ܙ��df2�,�=$7{ (*A"a�E%D�TE+X����kKH�K�j]Z[�m�ҖZ���O�.���9w&�������?�Lr�s�=�� �`pZr����>�=K�В �C}׾s��,��⡩Wx1]�օm\~���wB�V�gc� ��Y�6�1��0]q��˝�� ��?�h͒E��n � ӽ�/�������P��e��w�9���`T� endobj h�b```��,@2�A��b�@̱A�Q���(6F��="o��bxIh>�֊C�IOvq�q{�&O�'Y���N������S5V��*/�*_^}{u�\�b ����N-F,Ϻ��z The b… So you may now be asking yourself what these circuit types are. Let me break each of them down for you so you can see what key aspects make them each so unique. The Weak Joe Optical Compressor A Tweeker's Version of David B. Thomas' Reverse-Engineered Joe Meek Compressor By now many audio DIYers would be familiar with "What Compressor? >> The DOD 280 (no “A”) compressors were somewhat different. Pin 1 is sometimes denoted by a small dot in one corner on the top of the chip. Most audio compressors operate using either VCA (Voltage Controlled Amplitude), FET (Field-effect Transistor), OPTO (Optical), or VARI-MU (Variable-MU). 0000000616 00000 n An optical compressor, often called opto-compressor, is a dynamic range attenuator. 0000002105 00000 n 0000004805 00000 n %PDF-1.3 %���� 0000003870 00000 n % 0000044297 00000 n H��W�r�6���>R��]R�:q��6Ӥ�f2��0 YH(@�Ŏ��� ��\?u2�(�=���.�ViYW�o�*�b��b�5�� ��nn?e���?0����:��[��,�V�n���e巄�|�He��f��z�=|M^�y��y���������:O���z^�����Hd�vK?�m�E>�{�;zD��tU6���]��. Here's an idea I came up with for a simple optical compressor. stream None of the snappy rubber band attack that is associated with other types of compressors. /Length1 43032 Optical compression provides a more transparent, studio like sound. This is for the guitarist who wants that "can't tell when it's on but miss it when it's gone" style compression. This dot should be in the same corner as the square solder pad on the ", a project that apparently had its origins in one man's dissatisfaction with Alesis' 3630 compressor and his fascination with a friend's Joe Meek device. %PDF-1.3 0000071546 00000 n 0000072688 00000 n The "Really simple compressor" (which was posted to the "other forum") and the Flatline. >> We don’t know if this design is any better or worse than the 280A. /Producer (PDF-XChange 3.10.0049 \(Windows XP\)) 0000002034 00000 n

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